Perhaps you should try some spelling variations:
thanh dong » thanh duong, thanh cong, hanh dong
cuong bang » muong bang, tuong bang, phuong bang
hien xanh » hien hanh, hien nhanh, chieu xanh
cua nhung » va nhung
cong bang » dong bang, hong bang, cong lang
dong cua » dung cua, cong cua, huong cua
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - thanh dong cua nhung ((cong bang) OR (cuong bang)) phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh dong cua nhung ((cong bang) OR (cuong bang)) phan dau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh dong cua nhung ((cong bang) OR (cuong bang)) phan dau*.